3 7 x 10 12 July 8, 2019 16 32 64 128 13 x 3 7 10 x 12 2 2 x 7 )+ 3 x 12 )= 10 12 x 10 3 7 x 3 6 7 3 5 x 10 2 12 8 3 7 x 12 3 7×10 3 7 x 10
